Title: Experimental study on the influence of oil on spontaneous combustion characteristics of coal

Authors: Hu Wen; Duo Zhang; Yang Xiao; Xuezhao Zheng

Addresses: College of Safety Science and Engineering, and Key Laboratory of Mine and Disaster Prevention and Control of Ministry of Education, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China; National Mine Rescue Xi'an Research Center, Xi'an Shaanxi 710054, China ' College of Safety Science and Engineering, and Key Laboratory of Mine and Disaster Prevention and Control of Ministry of Education, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China; National Mine Rescue Xi'an Research Center, Xi'an Shaanxi 710054, China ' College of Safety Science and Engineering, and Key Laboratory of Mine and Disaster Prevention and Control of Ministry of Education, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China; National Mine Rescue Xi'an Research Center, Xi'an Shaanxi 710054, China ' College of Safety Science and Engineering, and Key Laboratory of Mine and Disaster Prevention and Control of Ministry of Education, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China; National Mine Rescue Xi'an Research Center, Xi'an Shaanxi 710054, China

Abstract: For studying the effect of crude oil on coal spontaneous combustion tendency, this study collect the coal and the crude oil in rock from the existence of coal and oil symbiosis in Huangling mine no. 410 working surface, and mix the coal sample (YM) with crude oil (SY) at different mass ratio to proceed the programmed temperature oxidation experiment. This study result indicate that oil-bearing coal samples and coal samples are easy causing spontaneous combustion, and the rate of gas production of three kinds of oil samples got the similar effect in the process of low temperature oxidation. Under the same conditions, the higher the oil content, the oxygen consumption rate of coal, the amount of oxidising gas produced, the smaller the exothermic intensity, which Indicated that coal is not easy to cause the spontaneous combustion, that is, crude oil has a blocking effect on the coal spontaneous combustion. [Received: April 4, 2017; Accepted: June 1, 2017]

Keywords: spontaneous combustion; programmed heating; oxygen consumption rate; heat release intensity; indicator gas.

DOI: 10.1504/IJOGCT.2019.100225

International Journal of Oil, Gas and Coal Technology, 2019 Vol.21 No.3, pp.357 - 374

Received: 20 Apr 2017
Accepted: 01 Jul 2017

Published online: 17 Jun 2019 *

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